Question

resolva os sistemas x=2y x+y2=35

Answer 1

2y+y2-35=0

$- 2 \ + \sqrt{4 - 41 \times 1 \times ( - 35)} \div 2 \times 1$
$- 2 - \sqrt{4 - 41 \times 1 \times ( - 35)} \div 2 \times 1$